異類

Adjective

 * 1) foreign; exotic; incongruous
 * 2)  special; unique

Usage notes

 * 異類 yìlèi may carry positive or negative connotations depending on the context it is used in; whilst describing a good friend as yìlèi may be acceptable, it but may also be considered rude if used to describe new acquaintances.

Noun

 * 1) different kind of group or species
 * 2) foreigner; outsider