For believers, "know-how" is a gift from God. For non-believers, it's a talent, but for believers, it's a gift of the Holy Spirit. Whose servitude is it? From the word "liturgy": people praise God for salvation, i.e. service to God; for unbelievers, it's service to the king. Catechism on work, in collaboration with P. Rakotondramanana Soloniaina Jean Emilien.