Bodyguard
Bouncer, Guard
noun
Who do you know that will use a pole to stop someone from breaking your heart? Your bodyguard! He's there to make sure no one hurts you, and for some reason he really likes using a pole to do it.
ようじんぼう
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
私の用心棒をしてくれない？
Will you work as my bodyguard?