Explain why you cannot implement the client's desire if the goal of manipulation is to get a benefit from you. Or you can offer him an alternative: it is important that it does not harm the company. If the uae telegram database alternative option does not satisfy the client, do not worry. You did everything you could.
Say that you are not ready to communicate in this spirit if the client manipulates for his own pleasure. You can ask him directly what the purpose of the conversation is and then move the communication to a constructive channel.
Record all agreements with the client: save correspondence and phone calls. If you do not use automation systems, such as a CRM system or Service desk, then do it manually. This way you will be able to prove your innocence in case of force majeure.
Prepare scripts for different cases . An action plan and phrase blanks will help you navigate the situation faster.