What groups of people might you come across whilst working within the public services?

interest groups

Explanation:

interest groups are a group of private citizens that is formed to try influence the creation of a specific legislations.

In their operations, interest groups often poach the people who work in public services and promise them that the group will provide them with funding for their upcoming election. In return, the group expect he/she will vote for a certain legislations that will benefited the group if he/she manage to win the election.

more than 1 person for sure

answer; adoption agencies tend to place separated twins in similar homes;