Prestashop 1.7.4 Shipping calculation + modification

we are looking for someone who has a lot of experience with prestashop 1.7.4. The following tasks must be done. The website is in 3 languages and for two languages there are many buttons and fields that have not been translated. The shipping costs must be adjusted. We have 4 types of customers: Consumers, consumers abroad, resellers and resellers abroad. for each type of customers we have to make another shipping calculation. The front page product module must also be personalized In the footer the copyright text has to be changed. The block menu must also be changed in the footer. the themplate has an airplane icon that has to be changed into a boot icon.