[sephari]

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mer·ce·nar·y Audio Help /ˈmɜrsəˌnɛri/ Pronunciation Key - Show Spelled Pronunciation[mur-suh-ner-ee] Pronunciation Key - Show IPA Pronunciation adjective, noun, plural -nar·ies.
–adjective
1. working or acting merely for money or other reward; venal.
2. hired to serve in a foreign army, guerrilla organization, etc.
–noun
3. a professional soldier hired to serve in a foreign army.
4. any hireling.
[Origin: 1350–1400; ME mercenarie < L mercénnārius working for pay, hired worker, mercenary, perh., repr. earlier *mercéd(i)nārius, equiv. to *mercédin-, s. of *mercédō, a by-form of mercés, s. mercéd- payment, wage (akin to merx goods; cf. merchant) + -ārius -ary]

—Related forms
mer·ce·nar·i·ly Audio Help /ˌmɜrsəˈnɛərəli, ˈmɜrsəˌnɛr-/ Pronunciation Key - Show Spelled Pronunciation[mur-suh-nair-uh-lee, mur-suh-ner-] Pronunciation Key - Show IPA Pronunciation, adverb
mer·ce·nar·i·ness, noun

—Synonyms 1. grasping, acquisitive, avaricious, covetous.
—Antonyms 1. altruistic, idealistic, unselfish.

your not there to serve your country, if you were you would have reenlisted. therefore you are a mercenary.