He was one of the few Latino people in the building who wasn't there to bring room service or mop up floors for old, rich, white people. To put it bluntly, he looked like he'd come there with some sort of criminal intention, which was racist and judgmental and totally non-PC.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.