You (plural) — an informal/familiar plural of 'you', often masculine or rough in tone; can sound rude.
お前たち、宿題をちゃんと出したか？
Did you guys hand in your homework properly?
ここにいるお前たち全員が責任を取れ。
All of you here must take responsibility.
お前たちを守ると約束する。
I promise to protect you (all).