Art thou called being a servant? care not for it: but if thou mayest be made free, use it rather.
 For he that is called in the Lord, being a servant, is the Lord's freeman: likewise also he that is called, being free, is Christ's servant.
Paul is letting you know that a servant of God is a free person, a person who is close to Christ. Joshua 22:5 KJV maps you a course to finding freedom:
But take diligent heed to do the commandment and the law, which Moses the servant of the Lord charged you, to love the Lord your God, and to walk in all his ways, and to keep his commandments, and to cleave unto him, and to serve him with all your heart and with all your soul.
To serve Him is to cleave to Him by putting forth your best effort to follow His Commandments.
You are faced with choosing whom you will serve, Satan or God. Both loyalty and a strong will are required to serve God; Matthew 6:24 KJV makes it clear that you cannot serve both:
No man can serve two masters: for either he will hate the one, and love the other; or else he will hold to the one, and despise the other. Ye cannot serve God and mammon
There is no middle of the road; failing to serve God is serving Satan. Do not be guilty of thinking you can hide your true feelings. Your thoughts are hidden from Satan, however, you learn in 1 Chron. 28:9 KJV that God reads the innermost thoughts of your mind:
And thou, Solomon my son, know thou the God of thy father, and serve him with a perfect heart and with a willing mind: for the Lord searcheth all hearts, and understandeth all the imaginations of the thoughts: if thou seek him, he will be found of thee; but if thou forsake him, he will cast thee off for ever.
God knows your heart and looking for Him brings Him to you. Not seeking god is forsaking Him and when that happens, He will have nothing to do with you; He will cast you out of His life…forever.
Pay attention to Job 36:11 KJV, where God describes what happens to you when you serve Him:
If they obey and serve him, they shall spend their days in prosperity, and their years in pleasures.
Hopefully God’s position on this important subject is clear to you, serving Him will change your life. The Old and New Testaments