Complex sentence: The NVDay initiative is now part of the GhanaThink Foundation's Ghana Volunteer Program (GVP) which is also to promote volunteerism and volunteer activities in Ghana while getting more volunteers for this.
Split into simpler sentences: The NVDay initiative is now a part of the GhanaThink Foundation's Ghana Volunteer Program (GVP). GVP is to promote volunteerism and volunteer activities in Ghana while getting more volunteers for this.