Romans 1:15 So, as much as in me is, I am ready to preach the gospel to you that are at Rome also.
Why would he preach only a salvation message pertaining only to the New Birth and nothing else to saved, baptized, church members?
Romans 1:11-12 For I long to see you, that I may impart unto you some spiritual gift, to the end ye may be established; That is, that I may be comforted together with you by the mutual faith both of you and me.
Webster's 1828 Dictionary [A-J]
gospel
GOS'PEL, n. L. evangelium, a good or joyful message.
The history of the birth, life, actions, death, resurrection, ascension and doctrines of Jesus Christ; or a revelation of the grace of God to fallen man through a mediator, including the character, actions, and doctrines of Christ, with the whole scheme of salvation, as revealed by Christ and his apostles. This gospel is said to have been preached to Abraham, by the promise, "in thee shall all nations be blessed." Ga.3.8.
It is called the gospel of God. Rom.1.1.
It is called the gospel of Christ. Rom.1.16.
It is called the gospel of salvation. Eph. 1.13.
1. God's word.
2. Divinity; theology.
3. Any general doctrine.
GOS'PEL, v.t. To instruct in the gospel; or to fill with sentiments of religion.
Thoughts?
