Severe self-discipline or ascetic practices.

Harsh, difficult conditions or circumstances endured voluntarily.

Acts of penance or self-denial for spiritual growth.

Rigorous and disciplined behavior to achieve a goal.

Strict adherence to rules or principles in practice

Strict self-discipline or ascetic practices for spiritual growth.

Severe and harsh conditions endured as a form of discipline.

Difficult tasks undertaken to achieve a specific goal.