Pluto in the eleventh house makes friendship, groups, patrons, social ideas and dreams of the future a zone of power and transformation. The person may be a strong group leader, informal manager, inspiration of a company, someone who gathers people around an idea and directs their energy. Or, on the contrary, they enter the circle of influential people and quietly influence their decisions.
The power of influence on friends is enormous here. It depends on the spiritual level whether the person leads the group to creation or into darkness. They may become a loyal ally, protector, organizer, reformer, creator of a movement. But they may also become a cunning cardinal: redistribute relationships inside the group, push away unpleasant people, use other people's talents, form intrigue or even criminal ideas.

