1. noun /ˌpаɪəˈnɪər/
Some people will consider their national heroes to be pioneers of civilization.
b) A member of any of several European organizations advocating abstinence from alcohol.<!(Ireland) a member of the Pioneer Total Abstinence Association, a Catholic group who pledge abstinence from alcohol.
Certain politicians can be considered as pioneers of reform.
2. verb /ˌpаɪəˈnɪər/
Wikipedia foundation.