
Bleeder
Colloquial Caution
Use 'bleeder' casually among friends, not in professional or polite contexts due to its informal nature. 
Potential Offense
Be careful as 'bleeder' can offend some people, akin to calling someone a troublemaker. 
Cultural Nuance
More common in British English, 'bleeder' might be confusing to speakers of other English dialects. 