Answer:
I hold two meanings. With one I may be broken, with the other I hold on. What am I?
I help engines spin and pants stay up.
I start in little but I end in full you'll find me in half and complete.
I am born in fear raised in truth and I come to my own in deed. When comes a time that I'm called forth I come to serve the cause of need.
I hold two people together but touch only one. What am I?
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?