According to the Triguna theory of personality (Charak Samhita), the ________ guna characterizes laziness, anger, arrogance, depression and helplessness :

Tamas

There is a typology of personality based on the trigunas, i.e. sattva, rajas, and tamas. Sattva guna includes attributes like cleanliness, truthfulness, dutifulness, detachment, discipline, etc. Rajas guna includes intensive activity, desire for sense gratification, dissatisfaction, envy for others, and a materialistic mentality, etc. Tamas guna characterises anger, arrogance, depression, laziness, feeling of helplessness, etc. All the three gunas are present in each and every person in different degrees. The dominance of one or the other guna may lead to a particular type of behaviour.