Premanand Maharaj Ji
Why is seva important and how should I do it?
Serve those in need, outwardly first
Look after your family well, then serve whoever is in need, even giving your own clothing or your own share of food. Outward seva comes first, and only through it do you enter inner seva.
If you ever see someone hungry, thirsty, sick, or in need, give them your own clothing too. It does not matter.