Those holding the Melchizedek Priesthood have the power and authority to lead
the Church and direct the preaching of the gospel in all parts of the world.
They are in charge of administer all the spiritual work of
the Church (see D&C 84:19-22; 107:8). They direct the work done in the
temples; they preside over wards, branches, stakes, and missions; they heal
the sick, bless babies, and give special blessings to Church members...
They are usually ordained to an office in the Aaronic Priesthood and can soon
be advanced ordained to higher other
offices if as they are remain
worthy...
To help fulfill this responsibility, they are usually called assigned
to serve as home teachers...
Patriarchs are ordained by General Authorities, or by stake presidents when
they are authorized by the Council of the Twelve, to give special
patriarchal blessings to members of the Church...
An Apostle is a special witness of the name of Jesus Christ in all the world (see D&C 107:23)...
All organizations in the Church work under the direction of priesthoodleaders and help them carry out the work of the Lord. Forexample, the presidencies in a ward's Relief Society, Young Women,Young Men, Primary, and Sunday School organizations serve underthe direction of the bishopric. These organizations are called auxiliariesto the priesthood.