desertor
/deseɾˈtoɾ/ · B2 · adj
deserting
🏃🪖 desertor = de- (away) + Latin serere (join): one who unjoins and leaves
Spanish desertor comes from Latin deserere, 'to abandon', built from de- (undo) + serere (join, link up). A desertor is someone who undoes their bond with the army and leaves. Also links to English desert, as in desert your post.