In Jain Dharma, sexual conduct is guided by restraint, purity, and non-excess. For householders, relations are allowed within marriage, but they should be controlled, purposeful, and free from indulgence. For monks and nuns, complete brahmacharya is required.

About oral sexual acts: from a Jain ethical point of view, such acts are generally not considered appropriate under restraint, because they fall under sensual indulgence rather than disciplined conduct.

So, in simple terms:

• For a Jain householder: focus on moderation and fidelity within marriage.
• For one observing stronger restraint: such acts would not align with brahmacharya.
• For monks/nuns: absolutely not permitted.

Jain Dharma emphasizes self-control, purity, and reducing attachment, not increasing sensual desire.