Don’t reject yourself on behalf of other people.
Whether what you are building is something they want to join or not, want to invest in or not, always give them the chance to reject you. They might surprise you.
A few weeks ago I was talking to a young founder who didn’t want me to introduce them to another angel investor because they felt the investor wouldn’t invest in their specific business.
That’s wasn’t for the founder to decide. The angel can make up their own mind when they have all the facts. Don’t reject yourself on their behalf.