3.9 Ayam, this; lokah, man, the one who is eligible for action; karma-bandhanah, becomes bound by actions- the person who has karma as his bondage (bandhana) is karma-bandhanah-; anyatra, other than; that karmanah, action; yajnarthat, meant for Got not by that meant for God. According to the Vedic text, 'Sacrifice is verily Visnu' (Tai. Sam. 1.7.4), yajnah means God; whatever is done for Him is yajnartham.
Therefore, mukta-sangah, without being attached, being free from attachment to the results of actions; O son of Kunti, samacara, you perform; karma, actions; tadartham, for Him, for God.
An eligible person should engage in work for the following reason also: