1. Cultural differences: Michelka failed to adapt to the cultural and social environment in Germany. His experience and methods in Africa are not applicable in Germany, which makes him unable to establish an effective social network and supporters in Germany.

2. Language barrier: Michelka is not familiar with German, which limits his communication and interaction with local people. He could not effectively convey his thoughts and ideas, nor could he understand the complexity and diversity of German society.

3. Belief conflict: Michelka's missionary activities in Germany triggered a belief conflict with local residents. His Christian beliefs are different from those of local Catholics and Protestants, which has caused him to lose many potential supporters.

4. Economic difficulties: Michelka has no stable economic source in Germany, and her life is becoming more and more difficult. He tried to make a living by raising money and giving speeches, but these efforts did not achieve much success.

His religious status enabled him to gain a foothold in Africa:

The key to Michelka's foothold in Africa is his religious status. As a Christian missionary, he won the respect and trust of the local people by spreading the gospel and establishing the church. His religious status made him a leader in Africa, and his influence and reputation also expanded.

First of all, Michelka's religious belief is very important to Africans. In Africa, people generally believe in religion and have a strong interest in Christianity. Michelka's beliefs and ideas meet their needs and expectations and can provide them with spiritual support and comfort. Therefore, his religious beliefs have won him many supporters and followers.

Secondly, Michelka's church provides an important social and cultural place for local people. The church is a public space where various activities and ceremonies can be held, such as worship, gathering and cultural exchange. By organizing these activities, Michelka promoted the communication and interaction between local people and the outside world, and also enhanced their connection and cohesion.

Finally, Michelka's behavior embodies the spirit of Christian charity. He not only cares about his personal beliefs and spiritual life, but also cares about the welfare and development of the surrounding communities. His behavior shows the kindness and dedication in Christian doctrine, which makes people have a deep sense of identity and belonging to his beliefs.

To sum up, Michelka's religious status is one of the important reasons why he can establish himself in Africa. His beliefs, churches and behaviors all meet the needs and expectations of local people, thus gaining their recognition and support.