According to Jain Dharma, the answer depends on how you interfere and how much hiṁsā (violence) will actually happen through you.

Key points in simple language:

1. Ahimsā is always first.

- You should never think, “I will knowingly kill or seriously injure someone in order to stop some wrong.” - Doing direct, intense hiṁsā with your own body, speech, or order creates very heavy karma for you.

1. But silence that supports adharma is also wrong.

- If you clearly see injustice or wrong, and you have some shakti (capacity) to reduce it without big violence, you should not just sit and watch. - Approving, encouraging, or happily watching wrong is also a kind of hiṁsā in Jainism (through mind and inner support).

1. First use non‑violent ways to interfere:

As a Jain or Jain‑minded person, your first duty is to try to stop or reduce wrong through the softest, safest means: - Speech: Calmly explain, advise, warn, request, shout for help. - Calling proper authority: Police, elders, responsible people who can legally and safely stop it. - Creating witnesses / recording: So wrong does not continue freely, but without attacking anyone. - Physical action only to the level of restraint without hatred (for example, separating two people without beating, if you are really able to do it safely and calmly).

Your bhāva (inner intention) must be: “I want to reduce hiṁsā, not take revenge, not show my power.”

1. If you know that your interference will almost surely lead you to killing or severe harm…

- Jain dharma will not tell you: “Go and kill, it is OK because purpose is good.” - In Jainism, there is no idea that killing becomes pure or holy just because the reason is ‘good’. - If your mind is full of anger, ego, revenge, and you know you cannot control yourself, then jumping in and committing mahā‑hiṁsā (great violence) will bind very heavy karma.

In such a situation: - Do what you can indirectly and non‑violently (alert others, authorities, shout, distract, etc.). - Protect yourself from doing a bigger sin in the name of stopping a smaller sin.

1. Types of responsibility in Jain view (simple form):

- Direct doer (karta): you hit, you kill → biggest karma. - Instigator / supporter: you order, encourage, clap, like it → also serious karma. - Helpless witness with no real capacity: if you truly have no safe way to help, your main duty is to keep karuṇā (compassion), pray, and do pratikraman later. Karma is lighter if you are genuinely helpless and not enjoying the wrong.

1. So what should such a person do in your example?

- Do not remain totally indifferent. At least mentally, do maitrī and karuṇā (friendliness, compassion) and feel, “May no soul be harmed.” - Act to stop the wrong up to the limit where you can still keep ahimsā as much as possible: - Try calm words first. - Call others for help. - Call police/authority. - If you must touch/hold someone, do it only to restrain, not to injure, and control anger strictly. - If you truly see that your interference will almost surely become killing or brutal beating (because of your anger, weapons, or situation), then: - Don’t take that violent path. - Choose a way that reduces harm without you becoming a killer yourself.

1. Internal check (very practical):

Before acting, ask inside: - “Am I acting from dayā (compassion) or from krodh / mān (anger / ego)?” - “Is there any less violent option that I have not tried yet?” - “Will my action really reduce total hiṁsā, or will it explode the situation?”

If the inner state is calm and compassionate, and method is the least violent possible, then interfering is better than cowardly silence.

---

In summary:

• Jain dharma does not support doing killing to stop wrong.
• It also does not support selfish silence when you can gently and wisely reduce harm.
• Use your shakti for ahimsā‑based interference: maximum compassion, minimum violence, clear control over anger, and always choosing the least‑harmful option available.