"Wherefore, I, Moroni, am commanded to write these things, that evil may be done away, and that the time may come that Satan may have no power upon the hearts of the children of men." -Ether 3:102a RAV, 8:26a OPV
"Ye shall receive power, after that the Holy Ghost is come upon you: and ye shall be witnesses unto me both in Jerusalem, and in all Judaea, and in Samaria, and unto the uttermost part of the earth." -Acts 1:8
You have been called out from the world, and from the churches. The Lord first asked you to come and see, now the Lord asks you to come and do.
"O house of Israel, cannot I do with you as this potter? saith YHVH. Behold, as the clay is in the potter's hand, so are ye in mine hand, O house of Israel." -Jeremiah 18:6
What does it mean to preach the gospel? What is salvation? damnation? How are we saved? Are we truly damned?
"They zealously affect you, but not well; yea, they would exclude you, that ye might affect them." -Galatians 4:17
"Salute the brethren which are in Laodicea, and Nymphas, and the church which is in his house." -Colossians 4:15
The home congregation should remember that the point of the worship is Jesus Christ and the Sacraments. Those speaking should preach of Christ.