He has a separatist ideology.

He is a rationalist, making all decisions based on logic and facts.

He is an idealist, always seeking perfection.

He is reputed to be a person who sticks to dogmatism.

He was criticized for supporting obscurantism.

Nationalism is often an ideology aiming for the unity and independence of a nation.

He has a deep interest in abstract art.

He chose a life of asceticism.

Imperialism has played a significant role in history.

He finds it difficult to advance the new project due to bureaucracy.