Is it permissible for the head of the association not to fulfill his promise to the coach who refused to sign a written contract so that he could leave without penalty, and is now demanding salaries from him until 2014 despite his dismissal and work with another team?

If the head of the association is responsible for contracting, and the contract between him and the coach stipulated that the lease period extends until 2014, and the coach was dismissed before the end of the period without a valid excuse permitting the termination of the contract, then he is entitled to the full wage for the agreed-upon period. This is because "contracts are the law of the contracting parties," and writing is merely for documentation. However, if there was a valid excuse permitting termination, then payment of the salary for the remaining period is not obligatory. And if what was issued by the official was merely a promise and not a contract, then it is recommended to fulfill it, but not obligatory.