Teaching qualities of Rev. Daniel Rajakoba are not only skills to use as a teacher. Teaching is really a state of mind and has alwas been an attitude. Numbers of former students can testify, as well as many attendees to conferences and training session Daniel Rajakoba led in christian organizations and churches areas.

As a civil servant of the Malagasy State, Daniel Rajakoba was :

• A Teacher of Malagasy and French at the high school and college of Toamasina (1968 - 1971)
• A Professor and the educational adviser of the National Superior Institute for Pedagogical Research and Training in Antananarivo (1971 - 1983). 
• A Professor in Linguistics & Malagasy at the University of Antananarivo (1982 - 1983)

As an Evangelist and a Spiritual Elder :

• Lecturer in a few congresses  (Pan-African Conference for Leadership Assembly – Nairobi, Kenya and the "Love Africa" Congress - Blantyre, Malawi).
• Trained Church Representatives in Madagascar, Europe and Africa
• Led and organized Family Retreats (notably with teachings for couples and youngsters)