be (one's) own man/woman/person(redirected from be his own person)
be (one's) own man/woman/person
To act, think, or work independently; to not accept or be swayed by outside influences. You can't just accept everything you read in the media—you have to be your own man. When I was younger, I would do anything my friends were doing, but I'm my own person now. You won't be able to manipulate her—she's really her own woman.
own person, be one's
Also, be one's own man or woman . Be independent, be responsible for oneself. For example, We can't tell Jerry what to do-he's his own person. Chaucer used this idiom in Troilus and Cressida: "I am my own woman, well at ease." [Late 1300s]
See also: own