I saw a jackdaw in the park.

He is acting based on humanitarianism.

Transitive verbs require an object that is directly moved by the subject.

He is a true humanitarian, always striving to alleviate the suffering of others.

He often thinks about problems from a humanitarian perspective.

We believe that all people should be treated based on the spirit of egalitarianism.

The theory of harmonic oscillators is a fundamental concept in physics.

He claims to be a warrior for freedom of expression, but in reality, he's just someone who uses derogatory words.

He likes to take a walk in the park at dusk.

I felt his behavior was very free.