Your Excellency

English

Your Excellency (plural Your Excellencies)

(formal) A title of respect used when addressing heads of state other than monarchs, heads of government, governors, ambassadors, certain ecclesiastics, royalty, and others holding equivalent rank.

This is the second-person form of address. Verbs used with this pronoun as the subject are conjugated in the third person. The forms used in the third person are His Excellency (male) and Her Excellency (female).
Those addressed as Excellency are heads of state, heads of government, governors, ambassadors, certain ecclesiastics, royalty, and others holding equivalent rank (e.g., heads of international organizations, high commissioners in the Commonwealth of Nations) and the FIFA President.

address towards a leader or monarch

Chinese:
Cantonese: 陛下 (bai⁶ haa⁶) (for emperors), 閣下／阁下 (yue) (gok³ haa⁶)

Mandarin: 閣下／阁下 (zh) (géxià), 陛下 (zh) (bìxià) (for emperors)
Japanese: 閣下 (ja) (kakka)
Khmer: ព្រះតេជព្រះគុណ (prĕəhtəcprĕəhkun)
Korean: 각하(閣下) (ko) (gakha)
Malay: Yang Berhormat, tuanku (for royalty)
Russian: господин (ru) m (gospodin), г-н (ru) m (g-n) (abbreviation)
Welsh: Eich Ardderchogrwydd