I, you, etc. for one

for one

As one example or reason (out of several potential ones). Often used after a name or personal pronoun to count someone or oneself as an example of something. Why don't I like musicals? Well, for one, I just can't take a story seriously when it's set to music. I can tell you that I for one am really happy about the changes to the tax law they've introduced. A: "Who is coming to the movie later?" B: "Mary, for one, but I haven't heard back from anyone else."
See also: one
Farlex Dictionary of Idioms.

I, you, etc. for ˈone

used to emphasize that a particular person does something and that you believe other people do too: It’s getting late and I, for one, must be going. ‘Who says stamp collecting is strange?’ ‘Well, Jack, for one, and I’m pretty sure Jane does too.’
See also: one
Farlex Partner Idioms Dictionary
See also:
  • be a shining example
  • be a shining example (of someone or something)
  • for starters
  • for one thing
  • for one thing,...
  • How's this/that for (something)?
  • how's this/that for a...?
  • for (someone or something)
  • for one
  • beat to the punch/draw