Selfless: {adjective} concerned more with the needs and wishes of others than with one's own.
If I could define our servicemen and women in one word, it would be selfless. They make daily sacrifices for the overall benefit of our country, our freedom and our future. And they do so without even thinking twice. We just wrapped up a 10-day tour with ProTour Productions and Armed Forces Entertainment, with whom we visited military bases in Curacao, the Bahamas and Cuba. During this trip, we toured the bases, learned about their day-to-day tasks and spent time with their families.