What is ‘Sponsorship’ in Merchant Navy?

To be a part of the merchant navy is a matter of great prestige and these are a fleet of merchant vessels who serve as registered personnel within the government. But another matter of fact is that being an individual enrolled in the merchant navy is not an easy task as it is a very costly study with specialised courses with high costs. So from here comes the leverage i.e. sponsorship offered to the students here that act as a safety asset for the students.