Anger
Indignation, Resentment
noun, verbal noun
ふんがい
怒り (いかり) Anger, Wrath
怒気 (どき) Anger
激怒 (げきど) Rage, Be Enraged
憤慨 (ふんがい) Anger, Indignation, Resentment
憤り (いきどおり) Resentment, Outrage, Anger
He feels Anger and Resentment because the fun ふん guy がい gets all the attention.
Anger makes him not a fun ふん guy がい