1. home
2. family
3. (polite) my (sister, uncle etc)
4. classifier for families or businesses
5. refers to the philosophical schools of pre-Han China
6. noun suffix for a specialist in some activity, such as a musician or revolutionary, corresponding to English -ist, -er, -ary or -ian

classifier: 個

1. thief; robber
2. (bound form) traitor; subversive
3. (bound form) evil; wicked
4. sly; shifty; devious
5. (literary) to harm; to injure
6. (coll.) extremely; insanely; damn (common in NE China and Taiwan)