volunteer multicultural people group concept. editable set template poster banner leaflet web.diversity people in circle top view

abstract aid altruism assistance background banner brochure card cause celebrate celebration circle collaborator collection colorful community concept contribute contribution cooperation cover creative crowd culture design editable generosity give giving good greet group hands happy help helpful helping hope humanity illustration invitation joy layout leaflet men modern multicultural ngo noble nonprofits organization page participate people person philanthropist poster presentation service set social solidarity support team template together top vector view voluntary volunteer web women