a wholehearted student of social problems
wholehearted
/ˈhōl-ˈhär-təd/
adjective
completely and sincerely devoted, determined, or enthusiastic
marked by complete earnest commitment : free from all reserve or hesitation
sincere wholehearted heartfelt hearty unfeigned mean genuine in feeling. sincere stresses absence of hypocrisy, feigning, or any falsifying embellishment or exaggeration. wholehearted suggests sincerity and earnest devotion without reservation or misgiving.