Each word always begins with the letters SE. The two part question has two different sets of clues. Now, what is that word you're looking for?
-1.SE + Act of healing = Free from fear. 6 letters
-2.SE + A shooter with the bow = A seeker or inquirer. 8
-3.SE + A degree of expertise in karate = An enclosed automobile body. 5
-4.Se + Something that is true, as a principle or belief = Excessive sternness. 8
-5.SE + Structure that spans a space = Try to locate or discover. 6
6.Se + Adult male person(plural) = The seed of plants. 5
-7.Se + A person suffering from cretinism = Peptic hormone produced by the mucous lining of the small intestine. 8
-8.Se + A Greek island = To discharge. 7
-9.Se + Bearing fruit twice a year = Producing vegetable tallow. 10
-10.Se + Income = Waste matter carried away in sewers or drains. 6