"ага" meaning in Serbe

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en serbe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Palindromes en serbe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Serbe",
      "orig": "serbe",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Serbe",
  "lang_code": "sr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "masculin animé"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en serbe de l’histoire",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Agha (titre turc) et, par extension, seigneur, noble, officier de cour."
      ],
      "id": "fr-ага-sr-noun-Tvm8hggA",
      "topics": [
        "history"
      ]
    }
  ],
  "word": "ага"
}

{
  "categories": [
    "Noms communs en serbe",
    "Palindromes en serbe",
    "serbe"
  ],
  "lang": "Serbe",
  "lang_code": "sr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "masculin animé"
  ],
  "senses": [
    {
      "categories": [
        "Lexique en serbe de l’histoire"
      ],
      "glosses": [
        "Agha (titre turc) et, par extension, seigneur, noble, officier de cour."
      ],
      "topics": [
        "history"
      ]
    }
  ],
  "word": "ага"
}