Having abandoned attachment to the fruits-of-action, ever-content, depending on nothing, he does not do anything, though engaged in actions.

tyaktvā = having given up; karmaphalāsaṅgaṃ = attachment for fruitive results; nitya = always; tṛptaḥ = being satisfied; nirāśrayaḥ = without any shelter; karmaṇi = in activity; abhipravṛttaḥ = being fully engaged; api = in spite of; na = does not; eva = certainly; kiñcit = anything; karoti = do; saḥ = he.;