こちらが安田さんです。

this way (direction close to the speaker or towards the speaker); this direction; here (place close to the speaker or where the speaker is); this one (something physically close to the speaker); I; me; we; us; this person (someone physically close to the speaker and of equal or higher status)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

Mr.; Mrs.; Miss; Ms.; -san; makes words more polite (usu. in fixed expressions)

be; is