“And because (Paul) was of the same trade, he stayed with them and they were working; for by trade they were tentmakers. And he was reasoning in the synagogue every Sabbath and trying to persuade Jews and Greeks” (Acts 18:3-4).
Paul was a bi-vocational preacher. A self-supporting apostle.
He received occasional help from the churches he had begun, and he taught that the minister of the gospel has a right to be supported by those to whom he is ministering. (Those who insist otherwise would do well to read the Bible before pontificating on it.) But, it would appear that mostly he paid his own way.
A bi-vocational pastor is one who holds down two full-time jobs, the one at church and the other one which pays most of the bills.
Either his church is small and cannot afford to pay him a full salary, or he has started the church himself and it has not grown to the point of self-sufficiency, or he feels called to a bi-vo kind of ministry.
Don’t miss that: “he holds down two full-time jobs.” That’s not a typo. Ask any pastor trying to do this. They know.