Those Dudes
Those Guys
noun
If a 奴 is just some dude or some guy, adding a ら on there makes it plural. Now it's those dudes or those guys.
The reading comes from 奴.
奴ら、俺たちは働いてるってのに、呑気に日光浴なんかしてやがるぜ。
Those guys are bathing and relaxing in the sun while we are working.