share a common purpose

:  plowshare

:  a portion belonging to, due to, or contributed by an individual or group

:  one's full or fair portion

:  the part allotted or belonging to one of a number owning together property or interest

:  to divide and distribute in shares :  apportion

:  to partake of, use, experience, occupy, or enjoy with others

:  to have in common

:  of or relating to a community at large :  public

:  known to the community

:  belonging to or shared by two or more individuals or things or by all members of a group

:  the common people

:  a dining hall

:  the political group or estate comprising the commoners

:  something set up as an object or end to be attained :  intention

:  resolution, determination

:  a subject under discussion or an action in course of execution

:  to propose as an aim to oneself