OBEY and MIND mean to do what a person says.

OBEY is used when someone quickly yields to the authority of another or follows a rule or law.

e.g. Obey your parents.

e.g. Obey all traffic laws.

MIND is used like obey especially when speaking to children but it often means paying attention to the wishes or commands of another.

e.g. Mind what I said about talking.

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comply with the command, direction, or request of (a person or a law); submit to the authority of:

〈命令･指示など〉に従う; 〈規則など〉を守る(follow); 〈人〉の言うことをきく(↔ disobey)

e.g. I always obey my father.

carry out (a command or instruction):

〈人が〉〈良心など〉に従って行動する

e.g. the officer was convicted for refusing to obey orders

〈人などが〉服従する, 従う, いいつけを守る.

e.g. no object : when the order was repeated, he refused to obey.

behave in accordance with (a general principle, natural law, etc.):

〈物などが〉〈法則など〉に従って働く

e.g. the universe was complex but it obeyed certain rules.

obeyer noun

Middle English: from Old French obeir, from Latin oboedire, from ob- ‘in the direction of’ + audire ‘hear’.