Massallah pertaining to becoming a business partner without putting money into the business

AS SALAAM ALIAKUM MUFTI SAAB
I HAVE BEEN GIVEN AN OFFER TO BECOME A PARTNER IN A BUSINESS WITHOUT PUTTING MONEY IN IT. THE BUSINESS IS OR WAS BOUGHT FROM FIANACIAL INSTITUTE AND INTEREST IS BEEN PAID ON IT.CAN I HAVE ANYTHING TO DO WITH THE BUSINESS. THE COMPANY WHATS TO MAKE ME A SHARE HOLDER.
PLEASE ADVISE .I AM HUMBLY WAITING FOR YOUR REPL.
JAZAKALLAH
MAY ALLAH REWARD YOU WELL AMEEN