With lawyer Hand-Otto Morgenthaler, alvivi has won a guest author.

Hans-Otto Morgenthaler has been a lawyer since 1978, and a specialist lawyer for labour law since 1992. He has a law firm in Ludwigshafen. His main areas of practice are employment law, immigration law and the recognition of foreign educational qualifications. He publishes essays on current topics from his special fields, among other things, on his own website. He also conducts seminars in which, for example, refugees or helpers from refugee work take part. For alvivi, he provides texts on various legal topics.

In his first contribution he describes a case study and basic rights of employees.