be the first (person) to (do something)

be the first (person) to (do something)

To be very likely or eager to do something. You know I'd be the first to help you out; just ask me next time. She'll be the first person to admit that the program has flaws, but she still believes in it very strongly.See also: first

(be) the ˈfirst/ˈlast (person) to do something

be very willing or likely/unwilling or unlikely to do something: I’d be the first person to admit that I’m not perfect. ♢ Mary is the last person you’d see in a pub — she hates pubs.See also: first, last, something