Cats are sensitive to changes in their environment and may react negatively to the presence of unfamiliar people or animals. Every cat is unique, and some may take longer to adjust to the presence of new people. It's crucial to respect your cat's comfort levels and not push them into situations that cause undue stress.
Over time, with patience and consistent positive reinforcement, your cat may become more tolerant of guests in your home. Or they may not 🤷🏼♀️ again, every cat is unique and they all had different upbringings.
Here are some resources I think will help: