Sacrificial lamb, scapegoat

Thè-sí-kúi / thòe-sí-kúi
Literally: “ghost who dies in place of (someone or something).”
Related entry here.

Scapegoat

Or: the one to blame, the one who gets picked on
 
Chhàu thâu-ke-á
Literally: scabby-headed chicken
 
I tī ha̍k8-hāu lóng chò chi̍t8 ê chhàu thâu-ke-á.
He’s always picked on at school.