Apostle is the word Apostlos used during the Grecko Period.  It is connected with sea voyages and military expeditions. Later it designates the fleet itself.   Apostolos was a term of great honor. It depicts a person who is personally selected, commissioned and set on an assignment on behalf of a very powerful government or individual.  
 
Apostolos also signified the leader or commander of an expedition. 
 
Herodotus (1.21) employed Apostolos on occasion to denote a “minister” or “messenger”.  In the third century we see this word used as a messenger of the king. The apostle is not just sent off he is empowered, invested with authority and then dispatched to accomplish a specific task
 
The Apostolic ministry includes
 
 
Going into territory where the church is non-existent
Dealing with aggressive and hostile governments
Facing the opposition of false religions opposed to one‟s presence.
Pushing the evil forces of the demonic realm out of the way
Taking converts from the bleakness and blackness of paganism and turning them into living, breathing members of the body of Christ.
Apostle where “team leaders that arrived with a divine (sent) mandate and vision establishing a new Christ centric ecclesia (called out ones) to bring the kingdom of God (heaven on earth) in territories.  This pioneering, adventurous, overseer, coordinator, visionary leader is to colonize a new region with the Word of God and kingdom of God culture.