nebbish

/ˈnɛ.bɪʃ/

IPA: /N EH1 B IH0 SH/

noun
  1. 1

    One who is fearful and timid, especially in making decisions and plans, in discussions, debates, arguments, and confrontations, and in taking responsibility.

    Actor Rick Moranis often plays a nebbish.

Source: https://en.wiktionary.org/wiki/nebbish