Grievance

Part of speech: noun (n.)

1. A cause of uneasiness and complaint; a wrong done and suffered; that which gives ground for remonstrance or resistance, as arising from injustice, tyranny, etc.; injury.

2. Grieving; grief; affliction. The . . . grievance of a mind unreasonably yoked. Milton.

Synonyms: Burden; oppression; hardship; trouble.