Often small acts of service are all that is required to lift and bless another.
You can will an act of service but you cannot will love.
I know sanctification comes not with any particular calling, but with genuine acts of service, often for which there is no specific calling.
When we think of work, we think of work as an act of service. We think of it as an act of love for humanity.
Great opportunities are often disguised as small acts of service.