韩 (Hán): Korea; Korean

Meanings

Tā shì Hánguó rén.

He is Korean.

Hán lǎoshī jiāo wǒmen shùxué.

Teacher Han teaches us math.

usage

韩 alone often refers to South Korea in modern usage (short for 韩国). As a surname, it's one of the most common Chinese family names.

韩 Hán