To describe friends and family members' character, you should know the proper vocabulary. Here is the vocabulary connected with character.
Polite -  behaving in a way that is socially correct and shows understanding of and care for other people's feelings

Calm - peaceful, quiet, and without worry

Serious - not  joking or intended to be funny

Reliable - someone or something that is reliable can be trusted or believed because he, she, or it works or behaves well in the way you expect

Patient - having patience

Neat - tidy, with everything in its place

Brave - showing no fear of dangerous or difficult things

Honest - telling the truth or able to be trusted and not likely to steal, cheat, or lie

Helpful - willing to help, or useful

Clever - having or showing the ability to learn and understand things quickly and easily

Intelligent - showing intelligence, or able to learn and understand things easily

Friendly - behaving in a pleasant, kind way towards someone

Funny -  humorous; causing laughter
Talkative -  talking a lot

Cheerful -  happy and positive

Be patient with her - she's very young.

Richards has made a brave attempt to answer his critics.

She's completely honest.

She's a lively, talkative person.