Inyima Kalu: is an anointed teacher of God's Word, who had undergone some theological mentoring through which he became an excellent learner of the truth about God, His words, and will, with accurate understanding, also being helped by his real Christian upbringing from childhood, And by the grace of God, he attended Christian discipleship study at the Redeemed Christian Church of God, Valencia, Spain/(2010). He is thoroughly mentored on almost all aspects of doctrines at (Christ the King Ministry), Valencia, Spain [2011-2019]. From 2019, he became a Bible teacher in Assemblies of God Church (Beautiful Gate) Parish, Valencia, Spain. Moreover, Inyima Kalu is regular with Bible research for regular discoveries of godly realities and truths. He is an evangelist in the five hold ministries.

Ephesians 4:11, Amplified Classic =

And His gifts were [varied; He Himself appointed and gave men to us] some to be apostles (special messengers), some prophets (inspired preachers and expounders), some evangelists (preachers of the Gospel, traveling missionaries), some pastors (shepherds of His flock) and teachers.

Combining his evangelical oration, perspective(s), exploration of the revelations from God's Word, and his teaching potential, he began to develop and document some lessons of which this book is a part. Though no human church leader had ordained Inyima Kalu: he has God's spiritual empowerment and inspiration and grace to divide God's Word accurately from God's own perspectives, regarding all aspects of life and adventures. As God progresses Evangelist, Inyima Kalu, his ministry has advanced, and he has become an evangelical writer. Beyond discovery and teaching, Inyima believes in living by good example according to God's will and purpose. More so, he is an online teacher and runs the (Evangelist Inyima Kalu) YouTube and Facebook and Instagram.

Evangelist Inyima Kalu hails from [Ohafia in Abia State, Nigeria]. He was born into a parish of a Pentecostal Church - [Christ Holy Church](Nation Builders) in his home town, Ebem Ohafia, where he was brought up from his childhood.

While undergoing doctrinal tutelage in Christ the King Ministry, Valencia, Spain, he became an acting pastor from 2014-2019. He was joined to the church board of the said Assemblies of God Church where he is currently a parishioner. He has being a Pentecostal Christian all through his life.