in doing kainkaryam —

 ẏou are engaged in serving him! —

 you are engaged in serving him! —

 now, you are engaged in serving him! —

 ẏou are engaged in serving him now! —

 now, you are engaged in his service! —

six types of karmas. —

 cruel activity —

if any enemies come near his dear krishṇan he would be a person doing cruel deeds (to those enemies) that person is —

keeping as its job, the act of moving fast —

 the act of the tongue, adhyayanam (learning/reciting) which was done —

 an action —

one who has activities such that he is surrounded on the sides and worshipped [by the above-mentioned entities] —

making the activity of worshipping as profession —

 acts —

 act —

 fire rituals —

while doing praṇāmam (obeisances), archanā (glorification) etc —

in the activity —

activities —