The term "house ambassador" can have different meanings depending on the context. Here are some possible interpretations based on the search results:

• In the context of fashion, a house ambassador is a paid representative of a fashion house. For example, Louis Vuitton calls their global ambassadors "house ambassadors". However, some brands may use different terms to refer to their ambassadors, such as "brand ambassador" or "global ambassador".

• In the context of marketing, a brand ambassador is a person who promotes a product, service, or brand in order to reach a target audience in a credible and authentic way. There are different types of brand ambassadors, such as customer ambassadors (consumers who buy and use a specific brands products and services out of genuine love for it) and industry expert ambassadors (professionals who have expertise in a particular field related to the brand) .

• In the context of education, a house ambassador is a student leader who represents their house (a group of students within a school) in various activities and competitions. The role of a house ambassador involves being a role model for other students, supporting the house leader, and inspiring the students and staff of the house.

Therefore, the meaning of "house ambassador" depends on the context in which it is used.