: to vex or unsettle by disappointing or humiliating he was chagrined to learn that his help was not needed.

Does chagrined mean embarrassed?

Chagrin is a noun that represents an emotion or feeling and it's an uncomfortable one. If you feel chagrin, it means that you are embarrassed or distressed as a result of a failure.

What does feeling oppressed mean?

the exercise of authority or power in a burdensome, cruel, or unjust manner. an act or instance of oppressing or subjecting to cruel or unjust impositions or restraints. the state of being oppressed. the feeling of being heavily burdened, mentally or physically, by troubles, adverse conditions, anxiety, etc.