She spent her evenings 'tutoring' her son in math. [=helping her son study math]
Some teachers stay after school to 'tutor' [='coach'] struggling students.
She earned extra money 'tutoring' in the evening.
(..) ...you must acquire and beget a temperance that may give it smoothness - I warrant your honour - Be not too tame neither Let your own discretion be your tutor Suit the action to the word, the word to the action With this special observance, that you o'erstep not the modesty of nature (..)2015 Hamlet