'Complaint' in the Bible

“When I say, ‘My bed will comfort me,My couch will ease my complaint,’

“If I say, ‘I will forget my complaint,I will leave off my sad appearance, and be cheerful and brighten up,’

“I am disgusted with my life and loathe it!I will give free expression to my complaint;I will speak in the bitterness of my soul.

“As for me, is my complaint to man or about him?And why should I not be impatient and my spirit troubled?

“Even today my complaint is contentious;His hand is heavy despite my groaning.

“If I have despised and rejected the claim of my male or female servantsWhen they filed a complaint against me,