All the money my son worked so hard to slowly save up was used to pay his union membership fees.
I have to attend an organization meeting tomorrow, so please wake me up at six.
Hello. My name is Koichi and I am the events manager for the Portland Kendo Association here in Portland, Oregon.
When you meet for cooperation, you're coming together to help each other. One form of this is when people form unions. They're all cooperating and coming together to help each other and themselves.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.