The Vietnamese word "bảo trợ" means "to sponsor" or "to patronize." It is often used in contexts where someone provides support, funding, or assistance to help others, organizations, or events.
Bảo trợ một sự kiện: To sponsor an event.
Bảo trợ cho một tổ chức: To sponsor an organization.
In some contexts, "bảo trợ" can mean to endorse or back someone, especially in a business or political setting.