1. 背弃者：deserted 荒芜的 | deserter 背弃者 | desertion 丢掉

2. 擅离职守者;弃职者：descent 世系 | deserter 擅离职守者;弃职者 | desertion 遗弃

3. 私自离船的船员：desert 荒地 | deserter 私自离船的船员 | deserter 逃亡者

4. 逃亡者：deserter 私自离船的船员 | deserter 逃亡者 | desertion 船员私自离船

1. 逃兵;开小差的士兵
A deserter is someone who leaves their job in the armed forces without permission.

noun

1. a person who abandons their duty (as on a military post)

Synonym: defector

2. a disloyal person who betrays or deserts his cause or religion or political party or friend etc.

Synonym: apostaterenegadeturncoatrecreantratter