Question: what is maftir in an aliyah?
Answer: Maftir (Hebrew: מפטיר, "concluder") is the last person called up to the Torah on Shabbat and holiday mornings: this person also reads the haftarah portion from a related section of the Nevi'im (prophetic books). ... After the Torah reading, the maftir says the blessings for the haftarah and reads it.