He is a self-styled expert in the field.

Jane admired her grandmother's self-sufficiency, as she grew her own vegetables and sewed her own clothes.

Living a self-sufficient lifestyle is a great way to reduce our dependence on external resources.

She is a self-supporting woman who doesn't rely on anyone for financial support.

He is a self-taught musician.

This watch is self-winding, so you don't need to manually wind it.

His argument was self-contradictory.

He has great self-control and can resist temptation easily.

Learning self-defence is important for personal safety.

He is a self-educated individual.