Qa'im:

He is the one who will rise up rightly

Mahdi:

He is the one who guides people in matters that are hidden from them

Awaited:

The sincere people of the ummah will await for his Reapearance despite the prolongation of his Occultation

Awaiting:

He is always awaiting for permission to rise and Reappear from the Almighty God.

Hojjatullah:

 means that the divine rule will be realized over all creatures by that Imam

The owner:

He is the leader that the Blessed and Exalted God, has made it obligatory for all his servants to follow him.

the Righteous successor:

Because he is the successor of all the previous prophets and testators and has gathered all their knowledge, status and characteristics.

Baqiyatullah:

He is God's last reserve and His last proof on the earth

the Revenger:

He is the one who will take revenge of the oppressed from the oppressors.

the Heir:

That Imam is the inheritor of the sciences, perfections, authorities and dignity of all the prophets and his noble fathers.

the Promised:

His Reappearance has been promised to all the prophets and nations of the past.

the last guardian:

That Imam is the last guardian of the Holy Messenger (PBUH) and the last infallible Imam.

the Inviter:

That Imam has a mission from the Almighty God to invite people to their Lord.

the Expander:

That is, the one who spreads blessing and felicity.

the Perfector:

Because he is the complement of the caliphate and the divine government, as well as science and perfection on earth.

the Occult:

it means invisible. the Almighty God, with His eternal power and wisdom, prepared the basis for the occultation of His last proof.

the Wished:

it means the one whom is all the people of the world hoped for and are awaiting for the uprising of that great savior.

the Speaker:

he will express all the sciences and knowledge without any worries, and issue the command of God.

the Shine of Muhammad's dynasty (pbuh):

It has been interpreted as the guardianship of Imam Mahdi and his Reappearance and guidance