Answer

In Jain Dharma, sexual activity is guided by brahmacharya — self-restraint and purity of conduct.

So, a blowjob is generally not encouraged in Jain ethics because it increases sensual attachment, passion, and indulgence.

Explanation

For monks and nuns, all sexual activity is completely forbidden.

For householders, Jain Dharma permits sexual relations only within marriage and with restraint. Even then, the ideal is to reduce attachment, lust, and bodily pleasure rather than increase them.

Oral sex is usually seen as an act of sensual indulgence, so it does not align well with the Jain path of self-control.

Spiritual Understanding

Jain Dharma teaches that passions such as lust bind karma to the soul. The purpose of brahmacharya is not hatred of the body, but freedom from slavery to desire.

Takeaway

From a Jain perspective, it is better to avoid such acts and practice sexual restraint, purity, and control over desires.