Telephone Call Harassment - Clientele

I am Sick of receiving telephone call from Clientele Life and Legal, I have never requested a call back or enquired in any way or form with Clientele in regards to there products, I have been receiving telephone calls NON STOP SINCE LAST YEAR OCTOBER 2020, 6 Days a week more then 14 Times per day, every time I ask to have my number removed and blocked I receive another call, whilst still on a call with an agent explaining the situation another agent is phoning at the same time, this is REDICULOUS!!!!!!!!!!!!, I contacted Head Office and got referred through Innocent (Marketing) and he assured me that my number would be blocked off the system and yet NO surprise I still get telephone calls, I was then referred through by switchboard who is not the friendliest through to Innocent's manager (Head of Marketing - Vusi ) who does not answer the phone at all. what is it going to take to STOP CALLING ME!!!!!!!!!!!!!!!!!, I work in the Insurance Industry and very fami**** with the processes, but are you telling me that Clientele does not have a system in place to validate telephone numbers and how many times they get called, Pathetic. should this matter not be RESOLVED within adequate time, will result in myself taking further and necessary ACTIONS.