"Ditcher" is a word used to describe someone who deliberately abandons others or a particular situation. Synonyms for "ditcher" include traitor, deserter, renegade, defector, and absconder. These words all convey a sense of betrayal and irresponsibility for one's actions. Other words that could be used to describe someone who "ditches" others might include fugitive, runaway, or even coward. It's important to note that while all of these words convey negative connotations, the reasons behind someone's decision to "ditch" or abandon others may vary and should be carefully considered before passing judgement.