John's Gospel describes Jesus washing his disciples' feet and asking them to follow his example. The scene connects authority with service. Leadership is measured by care for others, including tasks that bring little status or recognition.
Chesed is loving-kindness; gemilut chasadim means acts of loving-kindness. Pirkei Avot 1:2 places such acts alongside Torah and divine service as foundations of the world. The teaching gives care a central place in religious life.
Seva, also spelled sewa, means selfless service. Within Sikh teaching, helping others can be an expression of gratitude and devotion to God. Service and personal spiritual growth are connected, rather than competing activities.
Langar is the communal meal associated with the gurdwara. It welcomes people across religious and social backgrounds. Sharing the same food and traditionally sitting together at the same level express equality in a tangible way.