مُتَشَكّ (المُتَشَكّي): مُتَظَلّم، مُدّعٍ complainant, grievant, claimant, plaintiff

مُتَشَكّ: مُتَذَمّر complaining; nagging, grumbling, grumbly, repining, querulous, peevish, grouchy; complainer, nag(ger), growler, grumbler, repiner