In Jainism, before a person becomes a Muni (monk), they are generally referred to as a Shravak (lay follower) or Upashak/Upasak. However, when a person has decided to renounce worldly life and is preparing for diksha (initiation), they are often called a Vairagi (one who has developed detachment) or Dikshaarthi (one who is about to take diksha).

There is no universally fixed term used across all Jain traditions for the period just before diksha, but commonly used names include:

• Vairagi (one who has become detached)
• Dikshaarthi (candidate for diksha)
• Kshullak (in some traditions, a semi-renunciate state, especially in Digambar tradition)
• Shravak (general term for layperson)

Once the diksha ceremony is completed, the person is given a new name, and becomes a Muni (for males) or Aryika/Sadhvi (for females in Digambar tradition; Sadhvi in Shwetambar tradition).

If you are referring to the specific name given before diksha, usually the person is addressed by their lay name until they formally become a Muni/Sadhvi.