The present invention provides multifunctional amphiphilic copolymers having the structure set out below: wherein w, x, y, and z are molar percentages, the sum of which equals 100%; wherein R1 has the formula —(CH2CH2O)n—R2, where R2 is hydrogen or a C1-C10 alkyl group; R3 has the formula —(CH2)a—CH3; R4 is hydrogen or methyl; R5 has the formula —(OCH2CH2)b—O—(CH2)c—CH3 or —(OCH2CH2)b—O—C6H5; and n is an integer ranging from 1 to about 10, a is an integer ranging from 1 to about 21, b is an integer ranging from 1 to about 23, and c is an integer ranging from 1 to about 21. The present invention also provides compositions comprising the multifunctional amphiphilic copolymers including spray drift control compositions including agricultural compositions, consumer compositions, industrial compositions, and mining compositions. The present invention also provides methods for preparing and using the multifunctional amphiphilic copolymers.