.. yet wishes it is going to be aborted because he doesn't want to take responsibility for it, would you think this person should admit he's 'pro-choice' or admit he's 'an opportunistic, selfish jerk with a complete lack of dignity and principle'?

(Inspired by A Pregnant Christian's answer to a previous question. Sorry, I just thought you were being to gentle on them.)

Thank you for answering.
"He would be described as someone who very quickly changes his mind to suit his circumstances." Exactly.

@Pregnant: Both? I think he might lack an actually moral principle...