Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.

Category: moral characteristic 
Words: loyal, fair, honorable, equitable, warm
warm

Category: outdoor sport activity 
Words: hunt, row, wrestle, fish, hamster
hamster

Category: geographical property 
Words: level, cabin, flat, lined, horizontal

cabin