Based on the requirements and evidences of apostles, here is how we can know whether the title is fitting for the late Herbert Armstrong.

An increasing number of people believe Paul was not a real apostle, but an imposter, trying to seduce people to stop keeping God's laws.

Hebrews 1-2 establish Christ's superiority over angels, but notably do not mention the Angel of the Lord. Instead, the author handles the Angel differently.

Herbert W. Armstrong was single-minded about preaching the Gospel. The scattering of the church could have been caused by members making him a type of idol.

God alone chooses the servants through whom He works His will. Sometimes the rationale God uses for selecting His vessels defies worldly wisdom.

Adopting a revolutionary stance for the sake of change, variety, or relieving boredom will systematically destroy the faith once delivered.

The real issue in the calendar controversy is not astronomical, but faith in God's sovereignty, providence, and His right to assign responsibility.

Titus had the remarkable ability for being a problem solver, exercising tact, diplomacy, strength, stability, and leadership when sent to problem areas.

The authority in the ministry is a 'staff position,' given by God, as a gift for equipping the saints for service and for edifying the body of Christ.

The transfiguration prefigured the Kingdom of God, with the disciples only seeing Jesus in the end, showing salvation is through Him alone.

A prophet is one who speaks for God, expressing His will in words and sometimes signs. Standing outside the system, he proclaims God's purpose, including repentance.

The apostle Paul inventories spiritual gifts that God has given for the edification of the church, including ministry of the word and practical service.

The commission to the disciples evolves from their initial orders to go to the House of Israel to their ultimate commission of going to the Gentiles.

Apostasy in nominal Christianity has come from major philosophers, serving as 'educators' within the worldly churches, causing great damage with their pens.