Ask How do you handle it when a client brings in another person who starts giving conflicting instructions?

[Edward22]

Sometimes a project is going fine, then a client suddenly adds another person to the team, and everything becomes confusing. One person says one thing, the other says something else, and you are stuck in the middle trying to please both sides. It can slow down work and even affect the final result. In that kind of situation, how do you keep things clear without causing tension? What is the best way to manage both voices and still deliver good work?