Frenchman Nicolas Vanhove https://www.linkedin.com/in/nicolasvanhove, aspiring other registered or unregistered businesses (Get The Deal Now, BIGGER-Stronger.com, yes he's got 3 new businesses going on!), is not even in Hong Kong, perhaps not even in Singapore since some of his ads are posted from Bangladesh(!!!), has been making a menacing mess online:

illegal tutor at tutoroo.co specializing in illegal work, and

http://www.hklanguagetutor.com/c/ftutor_detail.php?tmember_id=4281

He has no teaching qualifications but lists himself and other unqualified people as 'teachers'. Most of these 'teachers' are just photos on his internet and app business! His scam sites for reviews:
singapore-english-teacher.com
singapore-french-teacher.com
singapore-german-teacher.com
hk-english-teacher.com
hk-french-teacher.com
hk-german-teacher.com