in order to transfer your sponsorship you must obtain a NOC letter from your current sponsor. Period. and sponsor is NOT obligated to issue a NOC. Even if you are a moon hire..
WHAT WILL you DO TO GET A NOC? This is up to you, how far you can go.. do whatever you can/want to do

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"What lies behind us and what lies before us are small compared to what lies within us."
Oliver Wendell Holmes