he, she, etc. won't eat you

(one) won't eat (someone)

Someone has no reason to be afraid of one; someone should not be shy about approaching or talking to one. Don't worry, child, I won't eat you. I just wanted to give you a message to pass along to your father. This is your Uncle Jack, son. Well, go on and shake his hand, he won't eat you.
See also: eat
Farlex Dictionary of Idioms.

he, she, etc. won’t ˈeat you

(informal) said to encourage somebody to speak to or approach somebody who seems frightening: Come on, Emma, Santa Claus won’t eat you! If you go closer, he’ll give you a present!
See also: eat
Farlex Partner Idioms Dictionary
See also:
  • (one) won't eat (someone)
  • (one) won't bite (someone)
  • (one) is not going to eat (someone)
  • (one) is not going to bite (someone)
  • accompany (one) on a/(one's) journey
  • accompany on a journey
  • (one's) heart goes out to (someone)
  • a stranger to (someone or something)
  • be out of (one's) league
  • be out of somebody's league